gravel material

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• Gravel Gertie — is a room designed for safe inspection, handling or dismantling of nuclear weapons. Since a nuclear detonation is initiated with conventional explosives, there is a risk that these explosives might detonate during handling of nuclear weapons and… …   Wikipedia

• Gravel road — A gravel road, as often found in rural areas and lesser developed nations. A …   Wikipedia

• Gravel Gertie — noun A chamber, with a roof covered by a deep pile of gravel, within which nuclear warheads may be maintained; in the event of a (non nuclear) explosion, the roof is weakened and the gravel falls and prevents the escape of nuclear material …   Wiktionary

• gravel — Small concretions, usually of uric acid, calcium oxalate, or phosphates, formed in the kidney and passed through the ureter, bladder, and urethra. SYN: urocheras (1), uropsammus (1). [M.E., fr. O.Fr.] * * * grav·el grav əl n …   Medical dictionary

• gravel — n. small stones formed in the urinary tract. The stones usually consist of calcareous debris or aggregations of other crystalline material. The passage of gravel from the kidneys is usually associated with severe pain (ureteric colic) and may… …   The new mediacal dictionary

• Mike Gravel — United States Senator from Alaska In office January 3, 1969 – January 3, 1981 Preceded by Ernest Gr …   Wikipedia

• Building material — For other kinds of building materials, see Hardware, Biology, and Star formation. Concrete and metal rebar used to build a floor Building material is any material which is used for a construction purpose. Many naturally occurring substances, such …   Wikipedia

• Car Wheels on a Gravel Road — Infobox Album | Name = Car Wheels on a Gravel Road Type = Album Artist = Lucinda Williams Released = June 30, 1998 Recorded = Genre = Folk Rock Length = 51:40 Label = Mercury Polygram Producer = Roy Bittan Lucinda Williams Reviews = *Allmusic… …   Wikipedia

• River gravel — are small pieces of rounded stone, usually no larger than a large coin, of a various colors. It is named for the effect of many years of rounding of the edges due to a flow of water over it. When a hard surface is also desired, river gravel is… …   Wikipedia

• Cob (material) — Constructing a wall out of cob. Cob or cobb or clom (in Wales) is a building material consisting of clay, sand, straw, water, and earth, similar to adobe. Cob is fireproof, resistant to seismic activity,[1 …   Wikipedia

• Taipa (Portuguese Building Material) — TaipaPevsner The penguin dictionary of architecture] is a technique used in the building of walls using the raw materials of mud, chalk, lime and gravel. Taipa has been used in the architecture of many cultures throughout the world. Because of… …   Wikipedia